ET MALWARE Oyster Backdoor Domain in DNS Lookup (postmastersoriginals .com)
Sourceet/open
CreatedAugust 13, 2024
UpdatedAugust 13, 2024
Classificationtrojan-activity
alert dns $HOME_NET any -> any any (msg:"ET MALWARE Oyster Backdoor Domain in DNS Lookup (postmastersoriginals .com)"; dns.query; bsize:24; content:"postmastersoriginals.com"; nocase; reference:url,hunt.io/blog/a-simple-approach-to-discovering-oyster-backdoor-infrastructure; classtype:trojan-activity; sid:2055256; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2024_08_13, deployment Perimeter, malware_family Oyster_Backdoor, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_08_13, reviewed_at 2024_12_17;)
Metadata
affected productWindows_XP_Vista_7_8_10_Server_32_64_Bit
attack targetClient_Endpoint
created at2024_08_13
deploymentPerimeter
malware familyOyster_Backdoor
performance impactLow
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2024_08_13
reviewed at2024_12_17
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